Results 51 to 60 of about 15,884,162 (308)

Potential for Resurs DK-1 satellite data

open access: yesGeodesy and Cartography, 2012
The result of the research project funded by the Polish Ministry of Science and Higher Education is presented. The main aim of the project was the assessment of the new Russian satellite data for orthophoto generation.
Ireneusz Ewiak, Romuald Kaczynski
doaj   +1 more source

Short Communication: A simple workflow for robust low-cost UAV-derived change detection without ground control points [PDF]

open access: yesEarth Surface Dynamics, 2019
High-quality 3-D point clouds generated from repeat camera-equipped unmanned aerial vehicle (UAV) surveys are increasingly being used to investigate landscape changes and geomorphic processes.
K. L. Cook, M. Dietze
doaj   +1 more source

Accurate disparity estimation in light field using ground control points [PDF]

open access: yesComputational Visual Media, 2016
The recent development of light field cameras has received growing interest, as their rich angular information has potential benefits for many computer vision tasks. In this paper, we introduce a novel method to obtain a dense disparity map by use of ground control points (GCPs) in the light field.
Hao Zhu 0005, Qing Wang 0006
openaire   +2 more sources

Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari   +5 more
wiley   +1 more source

Evaluating ultrasonic RTLS pose constraints for smartphone-based indoor photogrammetric reconstruction

open access: yesCanadian Journal of Remote Sensing
Smartphone-based photogrammetry offers a low-cost approach to indoor reconstruction but typically requires extensive ground control point (GCP) networks.
Faith Nayko, Derek D. Lichti
doaj   +1 more source

AN EVALUATION ON DIFFERENT NUMBER OF GROUND CONTROL POINTS IN UNMANNED AERIAL VEHICLE PHOTOGRAMMETRIC BLOCK [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
This paper presents a novel method of unmanned aerial vehicle image processing using photogrammetric technique. The study area consist different slope class which involves undulating area around the Skudai area, Malaysia.
K. N. Tahar
doaj   +1 more source

Bone Mineral Density After Contemporary Treatment for Acute Lymphoblastic Leukaemia: A Matched Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Reduced bone mineral density (BMD) has been reported in survivors of childhood and young adult acute lymphoblastic leukaemia (ALL); however, data from cohorts treated with contemporary protocols and including matched controls remain limited.
Karen Schow Jensen   +10 more
wiley   +1 more source

Chemotherapy for Spinal Cord Intramedullary Pediatric Low‐Grade Glioma—A Systematic Literature Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric intramedullary low‐grade gliomas (PIMLGGs) are rare neoplasms that present unique clinical and management challenges. Although surgery remains the primary tool for tissue diagnosis and decompression, complete gross‐total resection is frequently unfeasible due to the infiltrative nature of these lesions.
Olga M. Sergeenko   +5 more
wiley   +1 more source

A Management System to Develop Occupational Health & Safety in Ground Control Operations of Underground Mines [PDF]

open access: yes, 2012
Falls of ground have historically been the main cause for fatalities in underground mines. Although recent advances in technology have reduced the number of such accidents, when failures occur they usually result in severe consequences.
Goodarzi, Arash   +2 more
core  

Ground-penetrating radar (GPR) point measurements of ice thickness on Hornkees in 1999

open access: yes, 2015
Ground-penetrating radar (GPR) point measurements of ice thickness on Nillkees in ...
Kuhn, Michael   +15 more
core   +1 more source

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